Many people have fatty deposits on the inside wall of their arterie [00:05.69]These deposits build up over a number of year [00:10.08]narrowing the arteries. [00:13.74]Sometim [00:14.86]the deposits can stimulate the formation of blood clot [00:20.09...

Television has become the main source of informatio [00:03.84]and entertaiment for the average America [00:07.97]It is estimated that by the time a child reaches 1 [00:12.64]he or she has spent almost twice as much time watching TV as in the classroo...

Humor,which ought to give rise to only the most light-hearted and gay feeling [00:05.72]can often stir to up vehemence and animosit [00:10.40]Evidently it is dearer to us than we realiz [00:15.07]Men will take almost any kind of criticism except the...

Children don't know which things are dangerou [00:03.21]Keeping a constant eye on them as they move around is very difficul [00:08.39]You can't be everywhere at once,and anyway it's important for them to learn about the world around the [00:15.23]But...

John Shilling is a twenty-year-old student at Cornell College in Mount Vernon,Iow [00:05.96]It is a small school very different from Cornell University in New York State which is huge and famou [00:14.18]John could have gone to any college of his cho...

Before the 1930's ,workers were only paid as long as they were smart [00:05.69]If they were smart enough not to be ill,they were pai [00:10.06]If they were smart enough not to by injured,they were pai [00:13.66]And if they were very smart,they would...

Of the more than 80 million children born every year in the developing countrie [00:05.43]and estimated 5 million die [00:08.65]and at least twice as many are disabled by disease which have been largely eliminated in developed nations through immuniz...

After the American Revolution(1775-1783),the founders the United Stat [00:07.65]argued that education was essential for the prosperity and survival of the new natio [00:14.32]Thomas Jefferson was the first American leader to suggest creating a system...

Have you ever considered sky divin [00:03.08]Thousands of people learn to sky dive each yea [00:06.82]The first major step to learn is proper touch down techniqu [00:11.57]That means learning how to fall properly,initially from a four-foot platfor [0...

National radio is controlled by the BBC,and listeners can choose between four station [00:06.16]Radio 1 is a popmusic station with news and magazine-style programme [00:12.54]Radio 2 plays light music and reports on spor [00:17.74]Radio 3 plays class...

Consumption of natural resources rises dramatically every year as the human population increases and standards of living ris [00:08.65]Between 1950 and 1990 the world population doubled to 5.3 billio [00:16.09]with nearly 80 percent living in develop...

Afer an hour or so ,the bus stopped in a small town,and a few passengers got o [00:06.16]One of them was a blonde girl,very good looking in a fresh but sort of careless wa [00:12.36]I thought that she was probably a farm girl,and I wished she'd sit b...